#include <ANN/ANN.h>
#include <ANN/ANNperf.h>

Include dependency graph for perf.cpp:

Functions
DLL_API void	annResetStats (int data_size)

DLL_API void	annResetCounts ()

DLL_API void	annUpdateStats ()

void	print_one_stat (const char *title, ANNsampStat s, double div)

DLL_API void	annPrintStats (ANNbool validate)

Variables
int	ann_Ndata_pts = 0

int	ann_Nvisit_lfs = 0

int	ann_Nvisit_spl = 0

int	ann_Nvisit_shr = 0

int	ann_Nvisit_pts = 0

int	ann_Ncoord_hts = 0

int	ann_Nfloat_ops = 0

ANNsampStat	ann_visit_lfs

ANNsampStat	ann_visit_spl

ANNsampStat	ann_visit_shr

ANNsampStat	ann_visit_nds

ANNsampStat	ann_visit_pts

ANNsampStat	ann_coord_hts

ANNsampStat	ann_float_ops

ANNsampStat	ann_average_err

ANNsampStat	ann_rank_err

Function Documentation

DLL_API void annPrintStats ( ANNbool validate )

Definition at line 116 of file perf.cpp.

References ann_average_err, ann_coord_hts, ann_float_ops, ann_Ndata_pts, ann_rank_err, ann_visit_lfs, ann_visit_nds, ann_visit_pts, ann_visit_shr, ann_visit_spl, and print_one_stat().

Referenced by main().

 {
         cout.precision(4);                                      // set floating precision
         cout << "  (Performance stats: "
                  << " [      mean :    stddev ]<      min ,       max >\n";
         print_one_stat("    leaf_nodes       ", ann_visit_lfs, 1);
         print_one_stat("    splitting_nodes  ", ann_visit_spl, 1);
         print_one_stat("    shrinking_nodes  ", ann_visit_shr, 1);
         print_one_stat("    total_nodes      ", ann_visit_nds, 1);
         print_one_stat("    points_visited   ", ann_visit_pts, 1);
         print_one_stat("    coord_hits/pt    ", ann_coord_hts, ann_Ndata_pts);
         print_one_stat("    floating_ops_(K) ", ann_float_ops, 1000);
         if (validate) {
                 print_one_stat("    average_error    ", ann_average_err, 1);
                 print_one_stat("    rank_error       ", ann_rank_err, 1);
         }
         cout.precision(0);                                      // restore the default
         cout << "  )\n";
         cout.flush();
 }

DLL_API void annResetCounts ( )

Definition at line 85 of file perf.cpp.

References ann_Ncoord_hts, ann_Nfloat_ops, ann_Nvisit_lfs, ann_Nvisit_pts, ann_Nvisit_shr, and ann_Nvisit_spl.

Referenced by main().

 {
         ann_Nvisit_lfs = 0;
         ann_Nvisit_spl = 0;
         ann_Nvisit_shr = 0;
         ann_Nvisit_pts = 0;
         ann_Ncoord_hts = 0;
         ann_Nfloat_ops = 0;
 }

DLL_API void annResetStats ( int data_size )

Definition at line 71 of file perf.cpp.

References ann_average_err, ann_coord_hts, ann_float_ops, ann_Ndata_pts, ann_rank_err, ann_visit_lfs, ann_visit_nds, ann_visit_pts, ann_visit_shr, ann_visit_spl, data_size, and ANNsampStat::reset().

Referenced by main().

 {
         ann_Ndata_pts  = data_size;
         ann_visit_lfs.reset();
         ann_visit_spl.reset();
         ann_visit_shr.reset();
         ann_visit_nds.reset();
         ann_visit_pts.reset();
         ann_coord_hts.reset();
         ann_float_ops.reset();
         ann_average_err.reset();
         ann_rank_err.reset();
 }

DLL_API void annUpdateStats ( )

Definition at line 95 of file perf.cpp.

References ann_coord_hts, ann_float_ops, ann_Ncoord_hts, ann_Nfloat_ops, ann_Nvisit_lfs, ann_Nvisit_pts, ann_Nvisit_shr, ann_Nvisit_spl, ann_visit_lfs, ann_visit_nds, ann_visit_pts, ann_visit_shr, and ann_visit_spl.

Referenced by main().

 {
         ann_visit_lfs += ann_Nvisit_lfs;
         ann_visit_nds += ann_Nvisit_spl + ann_Nvisit_lfs;
         ann_visit_spl += ann_Nvisit_spl;
         ann_visit_shr += ann_Nvisit_shr;
         ann_visit_pts += ann_Nvisit_pts;
         ann_coord_hts += ann_Ncoord_hts;
         ann_float_ops += ann_Nfloat_ops;
 }

void print_one_stat	(	const char *	title,
		ANNsampStat	s,
		double	div
	)

Definition at line 107 of file perf.cpp.

References ANNsampStat::max(), ANNsampStat::mean(), ANNsampStat::min(), and ANNsampStat::stdDev().

Referenced by annPrintStats().

 {
         cout << title << "= [ ";
         cout.width(9); cout << s.mean()/div                     << " : ";
         cout.width(9); cout << s.stdDev()/div           << " ]<";
         cout.width(9); cout << s.min()/div                      << " , ";
         cout.width(9); cout << s.max()/div                      << " >\n";
 }